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Finding the Fourth Proportional to 162,560.64, 224,333.76 and 90,940.68

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Solution

The fourth proportional to 162,560.64, 224,333.76 and 90,940.68 is: 125,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,560.64 : 224,333.76 = 90,940.68 : x
  2. Step 2: Convert to fraction form
    162,560.64/224,333.76 = 90,940.68/x
  3. Step 3: Cross multiply
    162,560.64x = 224,333.76 × 90,940.68
  4. Step 4: Simplify right side
    162,560.64x = 20,401,064,681.36
  5. Step 5: Solve for x
    x = 20,401,064,681.36/162,560.64
  6. Step 6: Final answer
    x = 125,498.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.